i got a problem with my pc please help

[dvd1600]

when i turned on my pc today everything was normal until the windows 7 logo my pc just shut off by itself please help.
sorry for my English.

 

[GrowTFM]

Right out of the bat, Wrong Sub forum it should be on Windows 7 not 10.
I'm not an mod so i can't do that. Just giving some advice.